Showing posts from May, 2023

Battery Upgrade for the LittleHouse

 Over the past year or so, our batteries for the solar power system have been deteriorating.  This winter, I replaced just one of the eight 6 volt lead-acid batteries, in the hopes that it would improve operation until I could apply a fix in the spring. It worked for a while, but then other batteries in the string began losing their capacity to the point of the system going down nearly every day for a few hours before the sun rises each morning. I decided to bite the bullet and install a whole new string of batteries. On researching, it appeared that it would make sense to replace the old lead-acid battery technology with newer Lithium Iron Phosphate technology.  Not only are the new batteries considerably more compact and lightweight for a given capacity, they should also last much longer and require little maintenance. I decided the replace the eight batteries comprising the 48 volt, 200 amp hour lead acid string with two Lithium Iron battery packs of 100 amp hours each.  This matche